diphthong
n
union of two vowel sounds or vowel letters, eg the sounds in pipe , the letters ou in doubt 二合元音, 复合元音, 双元音(如pipe 中的 音); 复合元音字母(如doubt中的ou). Cf 参看 monophthong.
🗣️ 情景例句
My boss and some friends at the office.
我老板和办公室的同事。
When the owl sings,the nightingale will hold her peace.
枭鸟唱歌,夜莺屏息。
They invariably lie nearby and are always available for an informal chat or an evening's entertainment.